Question on: JAMB Chemistry - 2024
When Calcium ethynide is decomposed by water, the gas produced is
A
CO
B
H₂
C
C₂H₂
D
CH₄
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Correct Option: C
Calcium ethynide, also known as calcium carbide (CaC₂), reacts with water in a hydrolysis reaction. This reaction produces ethyne (C₂H₂) gas and calcium hydroxide (Ca(OH)₂). The balanced chemical equation is:
CaC₂ (s) + 2H₂O (l) → C₂H₂ (g) + Ca(OH)₂ (aq)
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